DEVELOPMENT OF HOT DRAWING PROCESS FOR NITINOL TUBE
In recent years, Nitinol, near-equiatomic nickel-titanium alloys, have found growing applications in medical technology and joining technology, due to their special characteristics such as shape memory, superelasticity and biocompatibility. The production of Nitinol tube cost-effectively remains a technical challenge. In this paper, we describe a hot drawing process for Nitinol tube production. A Nitinol tube blank and a metal core are assembled together. The assembly is hot drawn for several passes to a final diameter. The metal core is then plastically stretched to reduce its diameter and removed from the tube. Hot drawing process has been applied to Ni50.7Ti and Ni47Ti44Nb9 alloys. Nitinol tubes of 13.6 mm outer diameter and 1 mm wall thickness have been successfully produced from a tube blank of 20 mm outer diameter and 3.5 mm thickness.
Nitinol tube hot drawing shape memory superelasticity
WEI CHEN H.WANG LEI ZHANG XIUSHAN TANG
Department of Mechanical Engineering, Academy of Armored Forces Engineering, China Faculty of Engineering and Surveying, University of Southern Queensland, Queensland 4350, Australia
国际会议
第五届先进材料与加工国际会议(Fifth International Conference on Advanced Materials and Processing ICAMP-5)
哈尔滨
英文
1968-1974
2008-09-03（万方平台首次上网日期，不代表论文的发表时间）